package ceshi;

import demo.User;



public class Ceshi {
    public static  void method(User user){
        System.out.println(user.toString());


        String s="123456";
        s.length();



    }

    public static void main(String[] args) {

        /*空格对应得编码是32    判断32是不是空格*/
        boolean whitespace = Character.isWhitespace(32);
        System.out.println(whitespace);



    }
}
